<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>Some.html</title>
  </head>
  
  <body>
    <form action="http://localhost:8081/mvc/servlet/ActionServlet" method="post">
      <input type="text" name="a"/><br>
      <input type="password" name="b"/>
      <input type="hidden" name="sign" value="mvc.business.SomeForm"/>
      <input type="submit">
    </form>
  </body>
</html>
